Ikheyibhile yeCopper Core Concentric Cable yenziwe ngenye okanye ezimbini eziqinileyo ezisembindini okanye ezimbini zobhedu oluthambileyo, kunye nePVC okanye iXLPE yokugquma, umqhubi wangaphandle owenziwe ngeengcingo ezininzi ezithambileyo zobhedu ezibotshelelwe kwi-spiral kunye nesheath yangaphandle emnyama enokuthi yenziwe ngePVC, thermoplastic polyethylene. okanye XLPE.